Taking place on the Ann Richards Congress Avenue Bridge, Batfest and Night of the Bat celebrates Austin's famous bat population. An estimated 1.5 million Mexican free-tailed bats live under the Congress Avenue Bridge. Featuring arts and crafts, music, food, bat watching, children's activities and education display. the Batfest is ponsored by the City of Austin and admission is free. The 2012 Batfest includes live music from ten bands on two stages, more than 75 arts and crafts vendors and a bat costume contest. The live bats generally emerge from under the bridge at around dusk between 7:00 PM and 8:30 PM and the emerging flight can last for up to 30 minutes. The date for the 2012 Batfest and Night of the Bat was Saturday, August 25, 2012. The date for the 2013 Batfest and Night of the Bat is to be announced.